At the main menu or pause menu, select the "Cheats" option. Then, enter one of the following codes to activate the corresponding cheat function. Note: Enabling codes will prevent trophies from being earned. To remove cheats, you must delete and create a new saved game file.

Result

Code

1 million DNA

cash

AI does double damage and player does half damage

hard

All characters

characters

Energy regenerates

energy

Fourarms alien form

classic

Health regenerates

health

Level select

levels

Upgrade all alien forms to maximum

upgrade

Fourarms

Successfully complete the game to unlock the Fourarms alien form.

Trophies

Successfully complete one of the following tasks to get a trophy:

Go Ultimate (Bronze): Defeated all of Vulkanus' minions.

Stone Cold (Bronze): Defeated the Terracotta General.

Funny Business (Bronze): Completed the Zombozo Ultimate Event.

Stinky Savior (Bronze): Completed the Sunder Ultimate Event.

E-Knocked Out! (Bronze): Completed the Catacombs level.

Torn Asunder (Bronze): Completed the Eiffel Tower level.

Hunter Has Become the Hunted (Bronze): Completed the Devil's Tower level.

Great Walls of Fire (Bronze): Completed the Great Wall level.

Rescued at What Cost? (Bronze): Completed the Tokyo Nights level.

Pwned the Clones (Bronze): Completed the Amazon level.

Fall of Rome (Bronze): Completed the Colosseum level.

Eye of the Storm (Bronze): Completed the Final Battle level.

Art of War (Bronze): Discovered all of the Combat Bonuses.

Savior (Bronze): Rescued all of the civilians in the Final Battle.

Power Up! (Bronze): Spent 1000 on upgrades.

Brawler (Bronze): Defeated 100 enemies.

Warrior (Bronze): Defeated 200 enemies.

10 Hit Combo (Bronze): Got a 10 hit combo.

25 Hit Combo (Bronze): Got a 25 hit combo.

50 Hit Combo (Bronze): Got a 50 hit combo.

Better, Faster, Stronger! (Bronze): Fully upgraded one alien.

Vandal (Bronze): Destroyed 30 breakable objects.

Threat (Bronze): Destroyed 200 breakable objects.

The Catacombs Sumo Slammer! (Bronze): Found all of the hidden Sumo Slammers in the Catacombs.

Eiffel Tower Sumo Slammer! (Bronze): Found all of the hidden Sumo Slammers in the Eiffel Tower.

Devils Tower Sumo Slammer! (Bronze): Found all of the hidden Sumo Slammers in Devil's Tower.

The Great Wall Sumo Slammer! (Bronze): Found all of the hidden Sumo Slammers in the Great Wall of China.

Tokyo Nights Sumo Slammer! (Bronze): Found all of the hidden Sumo Slammers in Tokyo Nights.

The Amazon Sumo Slammer! (Bronze): Found all of the hidden Sumo Slammers in the Amazon.

The Colosseum Sumo Slammer! (Bronze): Found all of the hidden Sumo Slammers in the Colosseum.

The Final Battle Sumo Slammer! (Bronze): Found all of the hidden Sumo Slammers in the Final Battle.

Camera Shy! (Bronze): Destroyed all the security cameras in the Amazon level.